At first I thought your math was wrong, because that doesn't match the numbers in the article. But then I checked the day-ahead prices at epexspot[1], and it's

At first I thought your math was wrong, because that doesn't match the numbers in the article. But then I checked the day-ahead prices at epexspot[1], and it's indeed showing -500 euro/MWh in the afternoon, from 14h00 to midnight! [1] https://www.epexspot.com/en/market-data?market_area=FI&trading_date=2023-11-23&delivery_date=2023-11-24&underlying_year=&modality=Auction&sub_modality=DayAhead&technology=&product=60&data_mode=table&period=&production_period= https://www.epexspot.com/en/market-data?market_area=FI&tradi...